Page 57 of 689
#
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Keep theve hicle key out of reach of
ch ildren. This also applies
tothe Digital Vehicle Key if the
"Digital Vehicle Key" function is activated via
Mercedes me connect. &
WARNING Risk offata l injury due to
ex posure toextreme heat or cold in the
ve hicle
If people –particularly children – are exposed
to extreme temp eratures over an extended
pe riod of time, there is a risk of serious or
ev en fata l injury! #
Never lea veanyone – pa rticularly chil‐
dren – unat tended in theve hicle. #
Never lea veanimals in theve hicle unat‐
te nded. 54
Occupant saf ety
Page 58 of 689
Overview of
recommended child restra int sy stems Fu
rther information on the cor rect child restra int sy stem can be obtained at a qualified specialist workshop. Mercedes-Benz recommends that you use
a Mercedes-Benz Service Centre forth is purpose. Securing with ISOFIX
We
ight category
Size category Ty
pe 1
Ty pe appr oval number Order number
2
1 Manu facturer: Britax Römer 2Wi th colour code 9H95
Catego ry0+:
up to13 kgand up toappr ox.15 months
Size category E BA
BY SAFE plus
E1 04 301 14 6 B6 6 86 8224
Category I:
9 to 18 kg
Size category B1 DUO plus
E1 04 301
13 3 A 000
97017 02 Occupant saf
ety55
Page 59 of 689
Securing with
theve hicle seat belt We
ight category
Type 1
Ty pe appr oval number Order number
2
1 Manu facturer: Britax Römer 2Wi th colour code 9H95
Catego ry0:
up to10 kgand up toappr ox. 6 months BA
BY SAFE plus II
E1 04 301 14 6 A 000
97013 02
Catego ry0+:
up to13 kgand up toappr ox.15 months BA
BY SAFE plus II
E1 04 301 14 6 A 000
97013 02
Catego ryI:
9 to 18 kgand from appr oximately 9 mon thsto
4 ye ars DUO plus
E1 04 301
13 3 A 000
97017 02
Catego ryII/III:
15 to36 kgand from appr oximately 4 to12
ye ars KIDFIX XP
E1 04 301 304
A 000
970 23 02 56
Occupant saf ety
Page 60 of 689
Overview of suitable seats in
theve hicle forfitting a child restra int sy stem Securing sy
stems forch ild restra int sy stems Ve
hicle seat
Left/right rear seat (second seat
ro w) Prefer
red securing sy stem:
® ISOFIX child seat securing sy stem
(/ page 61 )
or
° i-Sizechild seat securing sy stem
(/ page 65)
¯ Also secure TopTe ther if present
(/ page 70) Alternative securing sy
stem:
R Vehicle seat belt (/ page72).
Le ft/right rear seat (third seat row)
Prefer red securing sy stem:
® ISOFIX child seat securing sy stem
(/ page 61 )
¯ Also secure TopTe ther if present
(/ page 70) Alternative securing sy
stem:
R Vehicle seat belt (/ page72) Occupant saf
ety57
Page 61 of 689

Ve
hicle seat
Fr ont passenger seat
Securing system:
R Vehicle seat belt (/ page72) Be sure
toobser ve:
R Ifth e front passenger seat is occupied, ensure,
bo th before and during the journe y,that thest a‐
tus of the front passenger airbag is cor rect forthe
cur rent situation (/ page 46).
R Notes on automatic front passenger airbag shut‐
off (/ page44).
Centre rear seat (second seat row)
Securing sy stem:
R Vehicle seat belt (/ page72) App
rova l categories forch ild restra int sys‐
te ms On
lyuse appr ovedch ild restra int sy stems
Only child restra int sy stems that meet thefo l‐
lowing UNECE standards are permit tedfo r use in
th eve hicle:
R UN-R44
R UN-R129 (i-Size child restra int sy stems) Identification on
thech ild restra int sy stem
In fo rm ation about the appr oval categor y,we ight
category and appr oval number, forex ample, is
on the appr oval label on thech ild restra int sys‐
te m.
There may be fur ther information such as the
ISOFIX size categories, depending on the
appr oval category of thech ild restra int sy stem. 58
Occupant saf ety
Page 62 of 689

App
rova l categories in accordance with UN-
R44 Example of an appr
oval label
R Universal: child restra int sy stems in the
"Universal" category are appr oved for ins tal‐
lation in vehicles. They can be used, in
accordance with overviews ofthe suitability of seats
for securing child restra int sy stems,
on seats labelled U,UF or IUF.
The identification IUF refers to ISOFIX child
re stra int sy stems in the "Universal" categor y.
These child restra int sy stems must also be
secured using TopTe ther or support points.
R Semi-Universal: child restra int sy stems in
th e "Semi-Universal" category may only be
used if theve hicle and vehicle seat are lis ted
in thech ild restra int sy stem manufacturer's
ve hicle model list.
R Vehicle-specific: child restra int sy stems in
th e "vehicle-specific" category may only be
used if theve hicle and vehicle seat are lis ted
in thech ild restra int sy stem manufacturer's
ve hicle model list. Appr
oval catego ries in accordance with UN-
R129 Example of an appr
oval label
R i‑Size: child restra int sy stems in the "i‑Size"
category are appr ovedfo r ins tallation in vehi‐
cles with i‑Size mounting brac kets. They can
be used, in accordance wi thove rviews ofthe Occupant saf
ety59
Page 63 of 689
suitability of seats
for securing child restra int
sy stems, on seats labelled i‑U.
The identification i‑U refers to i‑Size child
re stra int sy stems in the "Universal" categor y.
Obser vethe suitability of vehicle seats
Depending on the appr oval categor y,there are
fo rw ard-facing and rear wa rd-facing child
re stra int sy stems. Their use can be restricted for
cer tain vehicle seats:
R Suitability of seats for securing ISOFIX child
re stra int sy stems (/ page61).
R Suitability of seats for securing i‑Size child
re stra int sy stems (/ page 65).
R Suitability of seats for securing belt-secu red
ch ild restra int sy stems (/ page72) 60
Occupant saf ety
Page 64 of 689
Fi
tting the ISOFIX or i-Size child restra int sy stem on there ar seat Overview of suitability of
the seats for attaching ISOFIX child restra int sy stems ISOFIX identification
® ISOFIX is a standardised securing sy stem for specially designed restra int sy stems.
R The symbol indicates seats suitable for attaching an ISOFIX child restra int sy stem in accordance with UN R44 (/ page 58).
R Attach only child restra int sy stems that are appr oved in accordance with UN R44 as per thefo llowing ISOFIX tables. Car
rycot Size class
:E quipment :L eft/rightrear seat (second and third row of seats)
FI SO/L1X
GI SO/L2X
X Not sui table for an ISOFIX child restrai nt sy stem in this we ight group and/or size class. Occupant saf
ety61